/Engine/Plugins/Editor/SequencerAnimTools/Source/SequencerAnimTools/Public/MotionTrailTool.h
const [TArray](API\Runtime\Core\Containers\TArray)< [TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [UE::SequencerAnimTools::FTrailHierarchy](API\Plugins\SequencerAnimTools\FTrailHierarchy) > > & GetHierarchies() const